Landmark 81 is a super-tall skyscraper in Ho Chi Minh City, Vietnam, that was designed by the British design, engineering and consulting firm Atkins. The investor and primary developer for the project is Vinhomes, a Vietnamese corporation that is also the country's largest real-estate company. Landmark 81 is the tallest building in Vietnam, the tallest completed building in Southeast Asia as of July, 2018 and the 14^th tallest building in the world

The 461.15 metres (1,513.0 ft) tall, 81-storey building is built on the western banks of the Saigon River in the city's Binh Thanh District, located just north of Ho Chi Minh City's historic center and to the immediate south of Saigon Bridge. The tower is at the heart of the $1.5 billion high-end mixed-use urban area called Vinhomes Central Park The development comprises hotel and conference facilities, luxury apartments, high-end retail spaces, restaurants, bars, and a multi-story observation deck at the tower's crown.